Six dead women in a hotel room. Five of them students, still in their teens. Tied up. Tortured. The NYPD recognizes the suspect's signature--three bloody initials carved into each victim's forehead. Ex-cop Frank Quinn has faced this madman before. Both bear scars from their last encounter. In a deadly game of matched wits, only one can prevail. It's not just about who gets killed. It's about who will survive.

JOHN LUTZ IS . . . Some Killers Come Back For More The killer's depravity is insatiable. What he does to his victims is unthinkable. Homicide detective turned P.I. Frank Quinn has seen this M.O. before. A demented ritual, it's the work of Daniel Danielle--a notorious serial killer who blurs the line between male and female, human and monster. Danielle disappeared ten years ago. Is a copy cat repeating the crimes? Or has Danielle made a deadly return?...

For A Killer, Once Is Never Enough Homicide detective Frank Quinn can't stay retired when a new breed of murdering madman is on the prowl. In a city terrorized by bloody brutality, Quinn and his team hunt a psychopath who lures beautiful women into a night of unbridled passion, then wakes them to a vicious, drawn-out death. Stumbling over a trail of horribly defiled bodies, Quinn can't seem to catch up to the killer--because the killer is about to...

THE BIRTH OF A KILLING FRENZY The killer has a pattern. Abduct a girl from a beachside community. Tie her up. Torture her to death. Move north along the coast. Repeat. With each gruesome killing, a clue is delivered to New York City investigator Frank Quinn. The ex-homicide detective understands that the message is more than a taunt. It is an invitation-to play. And the game has just begun...

ON THE TRAIL OF A BLOODY KILLER… Frank Quinn is sure he is hunting for a madman: someone who is shooting young women in the heart, defiling their bodies, leaving only the torsos to be found. Quinn, a former NYPD detective, is called into the case by an ambitious chief of police and mobilizes his team of brilliant law-enforcement misfits. But in the concrete canyons of New York, this shocking serial murder case is turning into something very different… A...

Darker Than Night A killer dubbed "The Night Prowler" has turned the city that doesn't sleep into a town kept awake by terror. Unseen, he enters couples' homes. Unsuspected, he lingers until the perfect moment arrives. He leaves "gifts" for his victims--before taking their lives. Enter ex-homicide cop Frank Quinn, still reeling in the wake of an elaborate setup that ended his career. For Quinn, this isn't just any job--it's a last chance to salvage...